Stinging nettle (Urtica dioica) has a long tradtional medicinal history and is still used to treat hayfever and other seasonal allergic reactions.
Freeze-dried in capsules, and cut and dried for infusion (tea)
Herb / drug interactions:
Other safety concerns:
Look for freeze-dried extract of the leaves, sold in capsules
Most products on the market are 500 mg, follow package directions and/or use the lowest effective dose.
No more than one capsule per day